To the 1940s, the aural oral method appeared in the United States。 The method stresses “sentence drills’’ 。 Vocabulary teaching is teaching for syntax。 Therefore, words that learners get access to are generally simple, familiar words。 To the 1960s, scholars in the theoretical basis of cognitive linguistics proposed cognitive approach。 Cognitive Approach emphasis on intellectual factor in the development of learners and motivate learners thinking actively。 It pays more attention to mobilize the enthusiasm of learners。 It also helps learners to master the scientific method of learning and develop good study habits。 The Lexical Approach is a relatively broad teaching methods。 And no one is designed for the teaching of English vocabulary。 Thus, the teaching of English vocabulary does not receive enough attention。